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EP 4 771 736 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 23794243.8 (22) Date of filing: 30.08.2023

(51) International Patent Classification (IPC):  H02J 50/00(2016.01) A24F 40/95(2020.01) A61M 15/06(2006.01) A24F 40/42(2020.01) A24F 15/01(2020.01) H02J 7/00(2026.01) (52) Cooperative Patent Classification (CPC): H02J 50/005; H02J 50/10; A61M 15/06; A24F 15/01; H02J 50/70; A61M 2205/8206; A61M 2205/8256; A61M 11/041; A61M 2205/3653; A61M 2209/04; A61M 2209/06; A61M 2205/8243; A61M 2205/502; A61M 2205/3368; H02J 7/70 (86) International application number: PCT/CN2023/115901 (87) International publication number: WO 2025/043548 (06.03.2025 Gazette 2025/10)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (71) Applicant: Philip Morris Products S.A. 2000 Neuchâtel (CH)	(72) Inventors: PAN, Ning Shenzhen, Guangdong 518026 (CN) CAMOTA, Walter Fajardo Kowloon (HK) ZHANG, Yuehai Shenzhen, Guangdong 518026 (CN) (74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB  Leopoldstraße 4 80802 München 80802 München (DE)